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#1 · 常错题
#2 · 常错题
将循环小数化为分数:整数、有限小数、循环小数都可以化成分数,整数和有限小数化成分数容易,循环小数如何化成分数呢?请看下面的例子. 将循环小数$0.288\ldots $化成分数:将$0.288\ldots $分别乘$10$和$100$,得$2.88\ldots $和$28.88\ldots $,两个得数相减得$26(两个得数小数部分相同)$,而相减所得的$26$应该是$0.288\ldots $的$\left(100-10\right)
#3 · 常错题
今年市委市政府积极推进创建“全国文明城市”工作，市创城办公室为了调查初中学生对“社会主义核心价值观”内容的了解程度\((\)程度分为：“\(A-\)十分熟悉”，“\(B-\)了解较多”，“\(C-\)了解较少”，“\(D-\)不知道”\()\)，对我市一所中学的学生进行了随机抽样调查，根据调查结果绘制了两幅不完整的统计图如图，根据信息解答下列问题： \((1)\)本次抽样调查了多少名学生； \((2)\)补全条形统计图和扇形统计图； \
#4 · 常错题
#5 · 常错题
一批水果的标准质量是$30$千克,超出标准质量记为正,低于标准质量记为负,现记录如下:$+8$,$-9$,$-5$,$+7$,$-8$,$-6$,$+7$,$+10$. $(1)$这批水果总共有多少千克? $(2)$第一天按每千克价格$5$元卖出了这批水果的一半,第二天为了吸引顾客把第一天卖水果的价格降价$20\%$后作为新的价格,卖完了剩下的水果,请计算一下这批水果一共卖了多少钱?
#6 · 常错题
分类讨论思想是数学的重要思想,在学习有理数的过程中,也深有感受$!$ $(1)$当$ab \lt 0$时,若$b \gt 0$,$|a| \lt |b|$,则$a+b \_\_\_\_\_\_0$； $(2)$当$abc \lt 0$时,若$ab \gt 0$,则$c \_\_\_\_\_\_0$； $(3)$已知$a$,$b$,$c$是非零有理数,则$\frac{a}{|a|}+\frac{b}{|b|}+\frac{c}{|c|}=
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九年级·英语·填空题Unit 2 The photo which we liked best was taken by Zhao Min.
tonight；headmaster；win；even though；rush When I was young，I wanted to be an Olympic ______ ． ______ most of the products have foreign brands，they were made in China． -Where's your brother，Tim？ -I saw him ______ into the g
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九年级·英语·阅读理解Unit 2 The photo which we liked best was taken by Zhao Min.
Children across the world are taking pictures of their school meals．They are sending these pictures over the Internet to a young girl in Scotland．Then she shares the pictures and stories with people around the world． The
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九年级·英语·补全对话Unit 1 He’s the boy who won the photo competition last year!
根据对话内容，从方框内选择恰当的句子填入对话相应的空白处，使对话完整，合乎情景（有两个多余选项）。 A: My friend Kate invited me to her birthday party . 【 1 】 B: How about an album? A: 【 2 】 How much is an album? B: 【 3 】 A: That’s too expensive . I don’t have enough mo
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九年级·英语·填空题Unit 1 He’s the boy who won the photo competition last year!
选词填空 get on at the front on the left the same as last time 【1】Who's that tall soldier ____________ of the team? 【2】There is a bank ____________ of our school． 【3】How is your homework ____________，Jack? 【4】When did you go
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九年级·英语·选择题Unit 1 He’s the boy who won the photo competition last year!
Which person do you mean？______ with glasses on?
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九年级·英语·选择题Unit 1 He’s the boy who won the photo competition last year!
---So kind of you to give me a ride to the station! --- .________________________
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九年级·英语·选择题Unit 1 He’s the boy who won the photo competition last year!
He's the engineer ______ designed this tall building．
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九年级·英语·选择题Unit 1 He’s the boy who won the photo competition last year!
—I’m very sorry, Allen. I can't find your favorite CD. — _____, Torn. I'll go and buy another one.
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九年级·英语·选择题Unit 1 He’s the boy who won the photo competition last year!
I am the person______ wrote to you last week．
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九年级·英语·句型转换Unit 1 He’s the boy who won the photo competition last year!
句型转换 【1】He was an English teacher．He loved climbing．（改为复合句） He was an English teacher ______ ______climbing． 【2】More and more families in China buy cars．（改为被动句） Cars______ ______ by more and more families in China． 【3】Wh
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九年级·英语·选择题Unit 3 Language in use
---I’m really _________ before the exam. ---Take it easy. You’re the best.
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九年级·英语·选择题Unit 3 Language in use
Stay away from junk food, please. It’s bad for us，_________ for children!
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九年级·英语·选择题Unit 3 Language in use
Everybody should remember it is not _________ to swim in the river alone．
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九年级·英语·选择题Unit 3 Language in use
In China it is a custom to give kids lucky money, _______ during the Spring Festival.
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九年级·英语·选择题Unit 3 Language in use
—Do you know when they ______？ —I'm not sure．I will call you when they ______．
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九年级·英语·选择题Unit 3 Language in use
______ this way，we can cook delicious meat．
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九年级·英语·选择题Unit 3 Language in use
Eating more vegetables is good ______ your health．
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九年级·英语·选择题Unit 3 Language in use
I want to buy a desk ______ of wood．
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九年级·英语·选择题Unit 2 Repeat these three words daily: reduce, reuse and recycle.
I sit in the front of the classroom ______ I can hear clearly．
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九年级·英语·填空题Unit 2 Repeat these three words daily: reduce, reuse and recycle.
Boys and girls, have you ever read the book The Adventures of a Plastic Bottle ？ It's written _____ Alison Inches, a _____ (success)children's book author. This is a great diary story about _____ (recycle), told from the
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